Getting over my overdrive ...

[Craig Anderson]

Hi,

I gave Byron my tcw on a separate mailing but want to encourage any and all to
recount their stories to me via the internet concerning getting to and coming
from K-Falls.  I need your stories for the magazine.  Always terrible to have
to ask about problems to get a good story or five.  But send in your pleasure
stories, too.  Need them fairly soon.

Thanks,

And good luck, Byron.

C
  ----- Original Message -----
  From: DOUG MILLER<mailto:enginem@comcast.net>
  To: Byron Krystad<mailto:bkrystad@drizzle.com> ;
cahc@autox.team.net<mailto:cahc@autox.team.net>
  Sent: Monday, July 18, 2005 10:12 AM
  Subject: Re: Getting over my overdrive ...


  Hi Byron,
  I have had intermittent disengagements and unpredictable failures to engage
  for over a year with my BN 2.  Every time I tried to diagnose the problem
  the solenoid would perform as it should.  However the last time I had the
  tunnel off and went through the drill several times, the solenoid finally
  failed to actuate.  I put my hand on the solenoid housing and it was very
  warm.  A few minutes later it cooled down and worked again.  I am assuming I
  have had an intermittent internal short inside the solenoid.  I put on a new
  solenoid (from Moss) before going to the Rendezvous.  It worked every time.

  You should put an ammeter in the circuit to ensure that the steady state
  current is dropping from the pull-in current of about 12 amps to the hold-in
  current of 1 to 2 amps.  The pull-in current will burn out the solenoid if
  the limit switch inside the solenoid fails to work or engage.

  The lack of a rubber bumper or other stop mechanism can allow the solenoid
  plunger to drop below the level where the magnetic field will pull the
  plunger into position.  I assume when this happens the solenoid will
  continue to pull 12 amps while the overdrive switch is closed.  I made my
  own bumper from a rubber insert similar to those at the bottom trunk lid
  lip.  Some guys tap the stop land on the housing a use a small screw that
  gives them the ability to adjust the level of the stop.

  I hope this helps.  If this isn't clear email back or call me on (360)
  638-1324.  I am still having a problem with the O/D dropping out
  (unpredictably) at near full throttle, especially when the engine
  compartment is hot-as it was on the way back from K Falls.  I am going to
  replace the throttle switch.  Both the throttle switch and the solenoid are
  probably original equipment on the car so it is not surprising they have
  developed problems.

  Good luck,
  Doug
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